body {
  background-color: wheat;

  color: #fff;
  /*font-size: 30px;*/
  /*-webkit-user-select: none;*/
  font: 30px "微软雅黑", arial;
  position: relative;
}
.jieshu {
  width: 300px;
  height: 200px;
  position: absolute;
  top: 300px;
  left: 600px;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.9);
  display: none;
}
#start {
  margin-left: 130px;
  margin-top: 40px;
}
#jia {
  font-size: 16px;
  color: lawngreen;
  text-align: center;
}
header {
  display: block;
  margin: 0 auto;
  width: 500px;
  text-align: center;
}

header h1 {
  z-index: 4;
  font-size: 45px;
  color: red;
  font-weight: 800;
  text-shadow: 2px 2px 3px rgba(0, 0, 0, 0.3);
}

#time {
  z-index: 4;
  font-size: 18px;
  color: green;
  font-weight: 800;
  text-shadow: 2px 2px 3px rgba(0, 0, 0, 0.3);
}

#score {
  color: coral;
}

.kaishi {
  width: 65px;
  height: 40px;
  border-radius: 10%;
  margin-left: 720px;
  background-color: #1e6fff;
}

#container {
  width: 509px;
  margin: 0 auto;
  position: relative;
}

table {
  margin-top: 20px;
  margin-left: auto;
  margin-right: auto;
  background-color: black;
  opacity: 0.25;
  /*position: relative;*/
}

tr {
  background-color: #fff;
}

td {
  width: 165px;
  height: 115px;
}

.anjian {
  color: black;
  position: absolute;
  bottom: 0;
}

.anjian div {
  width: 169px;
  height: 119px;
  line-height: 119px;
  text-align: center;
  float: left;
}
